Summary: We all know Mukuro killed the Estraneo Famiglia, but we don't know how acquired the trident which he used to kill them. This is the story about the heir to the Estraneo Familiga and how she lived after the massacre.

Summary: To prove herself to her brother, Yuumi is going to take the Hunter Exam. If she manages to get a license, she will no longer be in her brother's shadow. What she doesn't expect is befriending two boys around her age and going on adventures with them.